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The birth rate and the infant mortality rate
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Passive transport.
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~Bob Ross ®
Insulin causes blood glucose levels<span> to drop, which signals the pancreas to stop producing insulin in a negative feedback loop.</span>Hormonal<span> stimuli refer to the release of a </span>hormone<span> in response to another </span>hormone. ... The anterior pituitary in turn releaseshormones<span> that regulate </span>hormone<span> production by other endocrine glands.
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The oceans on earth act as carbon sinks
the combustion of fossil fuels
atmospheric carbon dioxide is continuosly exchanged
vegetation and soil take in more co2 than they release
